Benefits of Modularity
TRIAD's elegantly simple design maintains consistent water volume where heat is required.
- Boilers are activated sequentially, drawing water from the main loop into the next hot water boiler until the heating need is meet.
- firing boilers remaining isolated, so no heated water circulates through cold boilers.
- During most of the year the unfired boilers provide additional backup.
- Outdoor temperatures and loop water temperatures are constantly monitored.
The efficiency of this design is most apparent during warmer months, when a conventional hydronic heating or steam boiler could still be operating at full capacity.
Primary-Secondary Piping
TRIAD integrates modularity with a single pipe primary-secondary system. TRIAD was the first company to employ a Primary-Secondary concept. It operates with two loops, (i) the primary loop, or building main loop, and (ii) smaller secondary loops off of each hot water boiler, which supply heated water to the primary loop.
Upon a call for heat, the boiler pump begins pushing the return water into the boiler and out through the secondary loop, supplying this hot water up into the primary loop (the main header), where it mixes with the cooler return water from the main loop of the building.
- Supply and return water are blended, avoiding the need for expensive and unreliable mixing valves commonly used in two pipe systems.
- The secondary loop isolates each hot water boiler, resulting in a very efficient system that minimizes thermal shock.
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